As of January 2026 Kirby Corporation has a market cap of A$10.33 Billion. This makes Kirby Corporation the world's 2579th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 13th, 2026 the market cap of Kirby Corporation was reported to be: